Title :
Transverse mode control of VCSELs with high contrast sub-wavelength grating functioning as angular filter
Author :
Sano, H. ; Kashino, J. ; Gerke, A. ; Imamura, A. ; Koyama, F. ; Chang-Hasnain, C.J.
Author_Institution :
Photonics Integration Syst. Res. Center, Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
We present the design of high-contrast sub-wavelength grating functioning as angularly selective filter for the transverse-mode-control of VCSELs. Highly angular dependent reflection characteristics can be obtained for avoiding high-order transverse modes in large-area VCSELs.
Keywords :
diffraction gratings; light reflection; optical filters; surface emitting lasers; VCSEL; angular dependent reflection; angularly selective filter; high contrast sub-wavelength grating functioning; transverse mode control; Apertures; Bandwidth; Broadband communication; Gratings; Optical filters; Reflectivity; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
